Home / 1,396,216.80-2,094,325.20-497,687.85

Finding the Fourth Proportional to 1,396,216.80, 2,094,325.20 and 497,687.85

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Solution

The fourth proportional to 1,396,216.80, 2,094,325.20 and 497,687.85 is: 746,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,216.80 : 2,094,325.20 = 497,687.85 : x
  2. Step 2: Convert to fraction form
    1,396,216.80/2,094,325.20 = 497,687.85/x
  3. Step 3: Cross multiply
    1,396,216.80x = 2,094,325.20 × 497,687.85
  4. Step 4: Simplify right side
    1,396,216.80x = 1,042,320,205,988.82
  5. Step 5: Solve for x
    x = 1,042,320,205,988.82/1,396,216.80
  6. Step 6: Final answer
    x = 746,531.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.